U.S. Division of Power Gives Conditional Dedication for a Mortgage of As much as US$700 Million for the Rhyolite Ridge Challenge


Perth, Australia (ABN Newswire) – Venus Metals Company Restricted (ASX:VMC) is happy to announce the initial result of contemporary box paintings and geochemical sampling methods on its tenement E15/1796 situated ~60 km east of Wonder Loch (Determine 1*).


– Vital uncommon earth parts (REEs) enrichment showed in monzogranite bedrock with contemporary leads to rock chips as much as 4,365 ppm TREO (Determine 2*).

– A grasp pattern of drill smash from historic drill hollow 02BOVR002 in E15/1796 has TREO of >3,000 ppm in clay (Determine 2*).

– Petrographic research of monzogranite bedrock establish weathering and unlock of REEs from number one REE host (allanite) in floor samples, which is beneficial for the formation of REE-enriched clays.


– Detailed aeromagnetic and radiometric survey in growth to delineate potential magnetic highs inside the ~25 km-long magnetic pattern for additional trying out and drill goal prioritisation.

– Metallurgical take a look at paintings in growth to research the possibility of cost-effective beneficiation of the monzogranite bedrock REE mineralisation the use of comminution and magnetic separation ways.

– Diagnostic metallurgical checks (pH 4) in growth at ANSTO and ALS on 10 clay samples from historic drill smash samples.

– Shallow AC drilling deliberate to focus on residual clay zones evolved on REE-rich bedrock to check for clay-hosted REE mineralisation.

– RC drilling scheduled for early 2023 to check the principle REE mineralisation within the monzogranite bedrock at intensity and underneath magnetic highs.

Challenge background

Venus’ Wonder Loch East Uncommon Earth Challenge is produced from one granted exploration licence (E15/1796) and 4 programs (ELAs 15/1944, 15/1946, 15/1947 and 77/2721) for a complete space of 283 blocks (828 km2) (Determine 1*).

As a part of an preliminary regional reconnaissance exploration program, Venus finished systematic soil, rock-chip and laterite sampling on E15/1796 (refer ASX unlock 30 Sept 2022). This system recognized REE anomalies in soil, laterite, and rock chips alongside the ~25 km strike duration of the arcuate magnetic excessive within the west and throughout an oval formed magnetic function (~3 x 4 km) within the east of E15/1796.

Maxima for TREO in soil and laterite (ferruginous gravel) are 6,092 ppm and 700 ppm, respectively, within the ultrafine fraction (refer ASX unlock 30 Sept 2022).

The arcuate and ovoid magnetic highs inside granite terrain of E15/1796 are suggestive of a regional-scale magnetite-bearing monzogranite that seems to be enriched in REE; an in depth petrographic find out about of bedrock specimens from outcropping monzogranite is in growth.

Present paintings

A complete of 38 rock chip samples, and 93 samples of historic drill smash had been accumulated (Determine 1*). Fresh rock chip samples from outcropping monzogranite have yielded most TREO concentrations of four,365 ppm within the japanese goal space and of two,292 ppm within the western goal space of E 15/1796. Those effects are ~10 to twenty instances the typical crustal abundance for TREO (Taylor & McLennan, 1995), suggestive of a bedrock this is extremely anomalous in REE. Additional, the magnetic uncommon earth oxide (MREO) share of rock chips above 1,000 ppm averages 23% MREO with particular person samples ranging as excessive as 28%.

It’s most likely that the magnetic anomaly is expounded to the monzogranite, which outcrops in numerous puts around the tenement with some whalebacks >1 km in diameter (Determine 3a*). Throughout the arcuate and ovoid magnetic highs (Determine 2*), monzogranite accommodates ample magnetite and steadily shows brownish-black spots (Determine 3b-c*) indicative of REE mineralisation.

Preliminary microscopic research the use of scanning electron microscopy (SEM) and optical microscopy had been finished via RSC who’re additionally offering technical help on the Corporate’s Mangaroon REE Challenge (see ASX unlock 5 September 2022). 5 skinny sections of the monzogranite and two resin blocks of a magnetic pay attention had been ready. The samples had been analysed the use of computerized mineralogy (AMICS), energy-dispersive spectroscopy (EDS) elemental maps and see analyses, and backscatter electron (BSE) pictures (Determine 4*).

The monzogranite is ruled via albite, k-feldspar, quartz, biotite, magnetite +/- titanite, rutile, zircon, chlorite, apatite and Ca-Fe amphibole. The principle magmatic REE mineral all through the monzogranite is allanite (Ce,Ca,Y,Los angeles)2(Al,Fe+3)3(SiO4)3(OH) along side minor REE-bearing titanite and apatite. Allanite happens in affiliation with biotite and magnetite (Determine 4a, d-e*) and is answerable for the brownish-black spots displayed in Figures 3b-c*.

Monzogranite accumulated at the floor finds the breakdown of allanite to secondary REE stages and Fe-oxides (Determine 4a, d-e*) and titanite to Ti(+Fe, Mn) oxides because of weathering. Secondary REE stages,

together with REE oxides, Ca-REE fluorocarbonates, and ferriallanite shape as substitute merchandise at the rim of allanite in addition to in veinlets dispersed within the monzogranite (Determine 4e). Secondary REE stages have the next REE focus because of decrease concentrations of Al and Si relative to allanite (Determine 4c*)

Those effects point out that REEs are launched from the supply rock all over weathering and don’t seem to be entrapped in resistate phosphates similar to monazite – all of which is beneficial for the formation of REE clays.

The bedrock enriched in number one and secondary uncommon earth mineral stages items a supply for residual enrichment inside the regolith all over weathering, a procedure that can have resulted in the formation of clay-hosted REE mineralisation. As a part of the weathering of the recent monzogranite,

allanite and secondary uncommon earth mineral stages or alteration minerals can dissolve and pay attention within the weathering zone to shape clay-hosted secondary uncommon earth mineralisation. A grasp pattern of drill smash from historic RAB hollow 02BOVR002 (WAMEX File A70400) presentations a most TREO focus of three,356 ppm in in clay from ~20m intensity. The typical MREO share for drill smash samples above 1,000 ppm is 23.2 % (Desk 1*) with as much as 33% for the described high-grade pattern.

Venus additionally considers the REE-enriched bedrock to be a possible REE supply in its personal proper if a REE enriched pay attention will also be separated. It’s most likely that recent unaltered allanite is encountered beneath the weathered floor. Venus has commissioned initial metallurgical take a look at paintings to quantify the enrichment of REE related to explicit mineral stages to take advantage of a doubtlessly huge monzogranite bedrock useful resource; analytical effects for 9 magnetic and non-magnetic subsamples are pending.

On this context, it will have to be famous that an Australian corporate, American Uncommon Earths (ASX:ARR) just lately reported result of mineralogical and metallurgical take a look at paintings on its Halleck Creek REE venture in Wyoming, USA. Mineralogy checks point out that the uncommon earth host mineral allanite will also be simply liberated and that the “simplicity of allanite liberation lets in for upper restoration and talent to improve uncommon earth parts at decrease prices” (refer ARR ASX unlock 2 Dec 2022).

An aeromagnetic and radiometric survey around the regional magnetic highs has been partially finished and processing is underway; those knowledge will shape the root for additional box investigations and drill concentrated on.

Long run Paintings

Venus is making plans shallow AC drilling to check spaces of deep weathering and preserved regolith for clayhosted REE mineralisation. RC drilling is deliberate to check the monzogranite for attainable enriched zones of bedrock-hosted REE mineralisation most likely related to more potent magnetic responses in line with the result of the present aeromagnetic survey.

Following the invention of secondary uncommon earth mineral stages within the recent rock that can shape clayhosted uncommon earth mineralisation all over weathering, clay samples had been taken from historic drill smash around the northern a part of the arcuate magnetic excessive. Those samples that constitute the weathering zone had been submitted to ANSTO and ALS for diagnostic metallurgical checks (pH 4).

RSC will proceed with the petrographic and SEM paintings and this may increasingly ship a greater working out of the mineral paragenesis, the deportment of REE within the monzogranite, id of REE mineral stages, mineral liberation, amongst different elements. Those effects will even assist to grasp the genesis of the Wonder Loch East REE mineralisation and help with organising mineral processing ways.

*To view tables and figures, please seek advice from:

About Venus Metals Company Restricted:

Venus Metals Company Restricted (ASX:VMC) is a West Australian primarily based Corporate with a focal point on gold, base metals, vanadium and lithium exploration tasks. The Corporate targets to extend shareholder price via focused exploration luck on its tasks.

The Corporate’s primary gold venture is the Youanmi Gold Mine, situated 500km north-east of Perth. The Youanmi Gold Mine is now collectively owned via Venus Metals (30%) and Rox Sources Restricted (70%); Indicated and Inferred Useful resource of the mine is in far more than 3 million oz. of gold.

Venus Metals Company Restricted



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